Judith

"Judith" a.k.a. "The Naughty Niece" is one of nine short stories written by Leslie Charteris and included in the twenty-eight Saint book Saint Errant published in 1948. The version in the book is revised and updated from a story first published in 1934.

Plot
Simon Templar volunteers to help a young woman steal a set of valuable automobile plans from her crooked uncle.

The story has a sequel in "Jeannine" a.k.a. "The Lovely Sinner".

Television adaptation
"Judith" was adapted as an episode of The Saint TV series starring Roger Moore and was first broadcast during the show's second season on 3 October 1963.